Merck
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10839

Sigma-Aldrich

L-(+)-Arabinose

BioUltra, ≥99.5% (sum of enantiomers, HPLC)

Empirical Formula (Hill Notation):
C5H10O5
CAS Number:
Molecular Weight:
150.13
Beilstein:
1723085
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

product line

BioUltra

Quality Level

assay

≥99.5% (sum of enantiomers, HPLC)

form

powder

optical activity

[α]20/D +104.0±2.0°, 24 hr, c = 10% in H2O

impurities

insoluble matter, passes filter test

ign. residue

≤0.1%

loss

≤0.1% loss on drying

pH

4-7 (25 °C, 1 M in H2O)

mp

155-158 °C
160-163 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤200 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.05
λ: 280 nm Amax: ≤0.04

SMILES string

OC[C@H](O)[C@H](O)[C@@H](O)C=O

InChI

1S/C5H10O5/c6-1-3(8)5(10)4(9)2-7/h1,3-5,7-10H,2H2/t3-,4-,5+/m0/s1

InChI key

PYMYPHUHKUWMLA-VAYJURFESA-N

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Application

L-Arabinose is used as a substrate to identify, differentiate and characterize pentose sugar isomerase(s). L-Arabinose is used in the bioproduction of L-ribose.

Biochem/physiol Actions

L-Arabinose is the naturally occurring isomer and is a constituent of plant polysaccharides. Most bacteria contain an inducible arabinose operon that codes for a series of enzymes and transporters that allows L-arabinose to be used as the sole carbon source in microbial culture.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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